AirHint found the following cheapest return flights from Portland (PDX) to Tokyo (NRT) in July 2025 (see full year).

Return flights

04 Jul - 07 Jul	Air Canada
03 Jul - 07 Jul	Air Canada
06 Jul - 12 Jul	Air Canada
15 Jul - 22 Jul	Korean Air
01 Jul - 09 Jul	Air Canada
04 Jul - 13 Jul	Air Canada
03 Jul - 12 Jul	Air Canada
17 Jul - 21 Jul	Korean Air
08 Jul - 13 Jul	Alaska Airlines
19 Jul - 23 Jul	Alaska Airlines
31 Jul - 13 Aug	Air Canada
16 Jul - 04 Aug	Alaska Airlines

Also check the deals for one-way flights from Portland to Tokyo in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Portland to Tokyo in July from $661

Return flights